Home / 133,469,936.96-200,131,921.64-105,980,438.60

Finding the Fourth Proportional to 133,469,936.96, 200,131,921.64 and 105,980,438.60

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Solution

The fourth proportional to 133,469,936.96, 200,131,921.64 and 105,980,438.60 is: 158,912,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,469,936.96 : 200,131,921.64 = 105,980,438.60 : x
  2. Step 2: Convert to fraction form
    133,469,936.96/200,131,921.64 = 105,980,438.60/x
  3. Step 3: Cross multiply
    133,469,936.96x = 200,131,921.64 × 105,980,438.60
  4. Step 4: Simplify right side
    133,469,936.96x = 21,210,068,833,268,028
  5. Step 5: Solve for x
    x = 21,210,068,833,268,028/133,469,936.96
  6. Step 6: Final answer
    x = 158,912,705.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.